"The Fair Use Network provides information to activists, artists, scholars, and anyone else who has questions about "IP" (intellectual property) law. Our basic purpose is to support fair use and other free expression safeguards within the law, because free expression is essential to creativity, culture, and a healthy democracy."

This website provides different usefull informations to learn more about the fair use doctrine,  especially the following guidelines and ressources:

The Fair Use Reference Guide

Introduction

• Free Expression, Fair Use & Other Rights: An orientation to the free expression principles in copyright and trademark law. When can a creator or critic borrow or copy from another work, and how much can they take? When is it permissible to use someone else's trademark?

Basic Legal Guides

• Copyright 101
• Fair Use of Copyrighted Works
• Trademark and Related Claims
• "Fair Use" & Free Expression Defenses in Trademark Law


• A Directory of Legal Guides for Creators of All Kinds

Evaluating & Responding to Legal Correspondence

• Cease-and-Desist 101: General guide to evaluating & assessing a letter or notice
• Responding to a DMCA 512 Takedown Notice
• Directory of Legal Assistance
• Contribute to the Chilling Effects Clearinghouse

References & Indexes

• Glossary & Index of Legal Terms: Explanations of the legal process, common legal terms and concepts, and key copyright, trademark, and speech concepts.
• Important Statutes & Regulations
• Major Cases
• Directory of IP Organizations and Government Agencies
• Books, Articles & Online Legal Guides

Resources for Fair Users

Fair Use Network Resources

• Fair Use Reference Guide 1.0:
  • » Quick Table of Contents (on main home page)
  • » Detailed Table of Contents
  • » PDF (available Sept. 2006)
• RSS feed of copyright, trademark, & fair use news & policy blogs - in development; will be available soon
• Will Fair Use Survive? A Public Policy Report from the Free Expression Policy Project

Additional Resources

• Chilling Effects - A principal resource for cease and desist recipients. Review other notices; submit your own; and learn about relevant law.
• Legal Perils and Legal Rights of Internet Speakers: an outline with citations, by Paul Alan Levy, Public Citizen.
• Tales from the Public Domain: Bound by Law?, by Keith Aoki, James Boyle, and Jennifer Jenkins (2006) (a guide for filmmakers)
• Documentary Filmmakers' Statement of Best Practices in Fair Use
• 'Yes, You Can!' — Where You Don't Even Need 'Fair Use', by Peter Jaszi (A guide for filmmakers and photographers; PDF)